Watch case



FIG. 1 is a top, rear, right-side perspective view of a watch case showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a right side elevational view thereof, the left side elevational view being mirror symmetrical thereto. 

The ornamental design for a watch case, as shown and described. 